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path: root/drivers/pnp/pnpbios
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-rw-r--r--drivers/pnp/pnpbios/rsparser.c67
1 files changed, 31 insertions, 36 deletions
diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c
index db23ba78d39c..ca567671379e 100644
--- a/drivers/pnp/pnpbios/rsparser.c
+++ b/drivers/pnp/pnpbios/rsparser.c
@@ -216,7 +216,7 @@ len_err:
216 216
217static __init void pnpbios_parse_mem_option(struct pnp_dev *dev, 217static __init void pnpbios_parse_mem_option(struct pnp_dev *dev,
218 unsigned char *p, int size, 218 unsigned char *p, int size,
219 struct pnp_option *option) 219 unsigned int option_flags)
220{ 220{
221 resource_size_t min, max, align, len; 221 resource_size_t min, max, align, len;
222 unsigned char flags; 222 unsigned char flags;
@@ -226,12 +226,13 @@ static __init void pnpbios_parse_mem_option(struct pnp_dev *dev,
226 align = (p[9] << 8) | p[8]; 226 align = (p[9] << 8) | p[8];
227 len = ((p[11] << 8) | p[10]) << 8; 227 len = ((p[11] << 8) | p[10]) << 8;
228 flags = p[3]; 228 flags = p[3];
229 pnp_register_mem_resource(dev, option, min, max, align, len, flags); 229 pnp_register_mem_resource(dev, option_flags, min, max, align, len,
230 flags);
230} 231}
231 232
232static __init void pnpbios_parse_mem32_option(struct pnp_dev *dev, 233static __init void pnpbios_parse_mem32_option(struct pnp_dev *dev,
233 unsigned char *p, int size, 234 unsigned char *p, int size,
234 struct pnp_option *option) 235 unsigned int option_flags)
235{ 236{
236 resource_size_t min, max, align, len; 237 resource_size_t min, max, align, len;
237 unsigned char flags; 238 unsigned char flags;
@@ -241,12 +242,13 @@ static __init void pnpbios_parse_mem32_option(struct pnp_dev *dev,
241 align = (p[15] << 24) | (p[14] << 16) | (p[13] << 8) | p[12]; 242 align = (p[15] << 24) | (p[14] << 16) | (p[13] << 8) | p[12];
242 len = (p[19] << 24) | (p[18] << 16) | (p[17] << 8) | p[16]; 243 len = (p[19] << 24) | (p[18] << 16) | (p[17] << 8) | p[16];
243 flags = p[3]; 244 flags = p[3];
244 pnp_register_mem_resource(dev, option, min, max, align, len, flags); 245 pnp_register_mem_resource(dev, option_flags, min, max, align, len,
246 flags);
245} 247}
246 248
247static __init void pnpbios_parse_fixed_mem32_option(struct pnp_dev *dev, 249static __init void pnpbios_parse_fixed_mem32_option(struct pnp_dev *dev,
248 unsigned char *p, int size, 250 unsigned char *p, int size,
249 struct pnp_option *option) 251 unsigned int option_flags)
250{ 252{
251 resource_size_t base, len; 253 resource_size_t base, len;
252 unsigned char flags; 254 unsigned char flags;
@@ -254,12 +256,12 @@ static __init void pnpbios_parse_fixed_mem32_option(struct pnp_dev *dev,
254 base = (p[7] << 24) | (p[6] << 16) | (p[5] << 8) | p[4]; 256 base = (p[7] << 24) | (p[6] << 16) | (p[5] << 8) | p[4];
255 len = (p[11] << 24) | (p[10] << 16) | (p[9] << 8) | p[8]; 257 len = (p[11] << 24) | (p[10] << 16) | (p[9] << 8) | p[8];
256 flags = p[3]; 258 flags = p[3];
257 pnp_register_mem_resource(dev, option, base, base, 0, len, flags); 259 pnp_register_mem_resource(dev, option_flags, base, base, 0, len, flags);
258} 260}
259 261
260static __init void pnpbios_parse_irq_option(struct pnp_dev *dev, 262static __init void pnpbios_parse_irq_option(struct pnp_dev *dev,
261 unsigned char *p, int size, 263 unsigned char *p, int size,
262 struct pnp_option *option) 264 unsigned int option_flags)
263{ 265{
264 unsigned long bits; 266 unsigned long bits;
265 pnp_irq_mask_t map; 267 pnp_irq_mask_t map;
@@ -273,19 +275,19 @@ static __init void pnpbios_parse_irq_option(struct pnp_dev *dev,
273 if (size > 2) 275 if (size > 2)
274 flags = p[3]; 276 flags = p[3];
275 277
276 pnp_register_irq_resource(dev, option, &map, flags); 278 pnp_register_irq_resource(dev, option_flags, &map, flags);
277} 279}
278 280
279static __init void pnpbios_parse_dma_option(struct pnp_dev *dev, 281static __init void pnpbios_parse_dma_option(struct pnp_dev *dev,
280 unsigned char *p, int size, 282 unsigned char *p, int size,
281 struct pnp_option *option) 283 unsigned int option_flags)
282{ 284{
283 pnp_register_dma_resource(dev, option, p[1], p[2]); 285 pnp_register_dma_resource(dev, option_flags, p[1], p[2]);
284} 286}
285 287
286static __init void pnpbios_parse_port_option(struct pnp_dev *dev, 288static __init void pnpbios_parse_port_option(struct pnp_dev *dev,
287 unsigned char *p, int size, 289 unsigned char *p, int size,
288 struct pnp_option *option) 290 unsigned int option_flags)
289{ 291{
290 resource_size_t min, max, align, len; 292 resource_size_t min, max, align, len;
291 unsigned char flags; 293 unsigned char flags;
@@ -295,38 +297,35 @@ static __init void pnpbios_parse_port_option(struct pnp_dev *dev,
295 align = p[6]; 297 align = p[6];
296 len = p[7]; 298 len = p[7];
297 flags = p[1] ? IORESOURCE_IO_16BIT_ADDR : 0; 299 flags = p[1] ? IORESOURCE_IO_16BIT_ADDR : 0;
298 pnp_register_port_resource(dev, option, min, max, align, len, flags); 300 pnp_register_port_resource(dev, option_flags, min, max, align, len,
301 flags);
299} 302}
300 303
301static __init void pnpbios_parse_fixed_port_option(struct pnp_dev *dev, 304static __init void pnpbios_parse_fixed_port_option(struct pnp_dev *dev,
302 unsigned char *p, int size, 305 unsigned char *p, int size,
303 struct pnp_option *option) 306 unsigned int option_flags)
304{ 307{
305 resource_size_t base, len; 308 resource_size_t base, len;
306 309
307 base = (p[2] << 8) | p[1]; 310 base = (p[2] << 8) | p[1];
308 len = p[3]; 311 len = p[3];
309 pnp_register_port_resource(dev, option, base, base, 0, len, 312 pnp_register_port_resource(dev, option_flags, base, base, 0, len,
310 IORESOURCE_IO_FIXED); 313 IORESOURCE_IO_FIXED);
311} 314}
312 315
313static __init unsigned char * 316static __init unsigned char *
314pnpbios_parse_resource_option_data(unsigned char *p, unsigned char *end, 317pnpbios_parse_resource_option_data(unsigned char *p, unsigned char *end,
315 struct pnp_dev *dev) 318 struct pnp_dev *dev)
316{ 319{
317 unsigned int len, tag; 320 unsigned int len, tag;
318 int priority; 321 int priority;
319 struct pnp_option *option, *option_independent; 322 unsigned int option_flags;
320 323
321 if (!p) 324 if (!p)
322 return NULL; 325 return NULL;
323 326
324 dev_dbg(&dev->dev, "parse resource options\n"); 327 dev_dbg(&dev->dev, "parse resource options\n");
325 328 option_flags = 0;
326 option_independent = option = pnp_register_independent_option(dev);
327 if (!option)
328 return NULL;
329
330 while ((char *)p < (char *)end) { 329 while ((char *)p < (char *)end) {
331 330
332 /* determine the type of tag */ 331 /* determine the type of tag */
@@ -343,37 +342,38 @@ pnpbios_parse_resource_option_data(unsigned char *p, unsigned char *end,
343 case LARGE_TAG_MEM: 342 case LARGE_TAG_MEM:
344 if (len != 9) 343 if (len != 9)
345 goto len_err; 344 goto len_err;
346 pnpbios_parse_mem_option(dev, p, len, option); 345 pnpbios_parse_mem_option(dev, p, len, option_flags);
347 break; 346 break;
348 347
349 case LARGE_TAG_MEM32: 348 case LARGE_TAG_MEM32:
350 if (len != 17) 349 if (len != 17)
351 goto len_err; 350 goto len_err;
352 pnpbios_parse_mem32_option(dev, p, len, option); 351 pnpbios_parse_mem32_option(dev, p, len, option_flags);
353 break; 352 break;
354 353
355 case LARGE_TAG_FIXEDMEM32: 354 case LARGE_TAG_FIXEDMEM32:
356 if (len != 9) 355 if (len != 9)
357 goto len_err; 356 goto len_err;
358 pnpbios_parse_fixed_mem32_option(dev, p, len, option); 357 pnpbios_parse_fixed_mem32_option(dev, p, len,
358 option_flags);
359 break; 359 break;
360 360
361 case SMALL_TAG_IRQ: 361 case SMALL_TAG_IRQ:
362 if (len < 2 || len > 3) 362 if (len < 2 || len > 3)
363 goto len_err; 363 goto len_err;
364 pnpbios_parse_irq_option(dev, p, len, option); 364 pnpbios_parse_irq_option(dev, p, len, option_flags);
365 break; 365 break;
366 366
367 case SMALL_TAG_DMA: 367 case SMALL_TAG_DMA:
368 if (len != 2) 368 if (len != 2)
369 goto len_err; 369 goto len_err;
370 pnpbios_parse_dma_option(dev, p, len, option); 370 pnpbios_parse_dma_option(dev, p, len, option_flags);
371 break; 371 break;
372 372
373 case SMALL_TAG_PORT: 373 case SMALL_TAG_PORT:
374 if (len != 7) 374 if (len != 7)
375 goto len_err; 375 goto len_err;
376 pnpbios_parse_port_option(dev, p, len, option); 376 pnpbios_parse_port_option(dev, p, len, option_flags);
377 break; 377 break;
378 378
379 case SMALL_TAG_VENDOR: 379 case SMALL_TAG_VENDOR:
@@ -383,7 +383,8 @@ pnpbios_parse_resource_option_data(unsigned char *p, unsigned char *end,
383 case SMALL_TAG_FIXEDPORT: 383 case SMALL_TAG_FIXEDPORT:
384 if (len != 3) 384 if (len != 3)
385 goto len_err; 385 goto len_err;
386 pnpbios_parse_fixed_port_option(dev, p, len, option); 386 pnpbios_parse_fixed_port_option(dev, p, len,
387 option_flags);
387 break; 388 break;
388 389
389 case SMALL_TAG_STARTDEP: 390 case SMALL_TAG_STARTDEP:
@@ -392,19 +393,13 @@ pnpbios_parse_resource_option_data(unsigned char *p, unsigned char *end,
392 priority = PNP_RES_PRIORITY_ACCEPTABLE; 393 priority = PNP_RES_PRIORITY_ACCEPTABLE;
393 if (len > 0) 394 if (len > 0)
394 priority = p[1]; 395 priority = p[1];
395 option = pnp_register_dependent_option(dev, priority); 396 option_flags = pnp_new_dependent_set(dev, priority);
396 if (!option)
397 return NULL;
398 break; 397 break;
399 398
400 case SMALL_TAG_ENDDEP: 399 case SMALL_TAG_ENDDEP:
401 if (len != 0) 400 if (len != 0)
402 goto len_err; 401 goto len_err;
403 if (option_independent == option) 402 option_flags = 0;
404 dev_warn(&dev->dev, "missing "
405 "SMALL_TAG_STARTDEP tag\n");
406 option = option_independent;
407 dev_dbg(&dev->dev, "end dependent options\n");
408 break; 403 break;
409 404
410 case SMALL_TAG_END: 405 case SMALL_TAG_END: